Home / 25,771.46-35,561.30-15,157.22

Finding the Fourth Proportional to 25,771.46, 35,561.30 and 15,157.22

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Solution

The fourth proportional to 25,771.46, 35,561.30 and 15,157.22 is: 20,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.46 : 35,561.30 = 15,157.22 : x
  2. Step 2: Convert to fraction form
    25,771.46/35,561.30 = 15,157.22/x
  3. Step 3: Cross multiply
    25,771.46x = 35,561.30 × 15,157.22
  4. Step 4: Simplify right side
    25,771.46x = 539,010,371.80
  5. Step 5: Solve for x
    x = 539,010,371.80/25,771.46
  6. Step 6: Final answer
    x = 20,915.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.